Park Tool HCW-5 Professional Lockring Spanner Wrench - Heavy Duty Bicycle Repair Tool for Cassette Removal & Bottom Bracket Maintenance - Perfect for Home Mechanics & Bike Shops

Park Tool HCW-5 Bicycle Bottom Bracket Lockring Wrench The Park Tool HCW-5 is a double-ended wrench designed to fit lockrings found on cup-and-cone bicycle bottom brackets. One side features a single hook, the other side features 3 notches for better engagement in the lockrings. Heat-treated and nickel plated for a lifetime of use. The universal single hook end will fit most lockrings with an outer diameter of 43 to 46mm. The three-hook end will fit 3-notch lockrings with a maximum outside diameter of 46mm, and minor diameter (in the notches) of 40mm. NOTE: The HCW-5 is designed for bottom bracket lockrings. For fixed gear lockrings, use the HCW-17. Park Tool HCW-5 Bicycle Bottom Bracket Lockring Wrench The Park Tool HCW-5 is a double-ended wrench designed to fit lockrings found on cup-and-cone bicycle bottom brackets. One side features a single hook, the other side features 3 notches for better engagement in the lockrings. Heat-treated and nickel plated for a lifetime of use. The universal single hook end will fit most lockrings with an outer diameter of 43 to 46mm. The three-hook end will fit 3-notch lockrings with a maximum outside diameter of 46mm, and minor diameter (in the notches) of 40mm. NOTE: The HCW-5 is designed for bottom bracket lockrings. For fixed gear lockrings, use the HCW-17. HCW-4 HCW-5 HCW-11 HCW-18 Typical Application Cup-and-Cone Bottom Brackets Cup-and-Cone Bottom Brackets Cup-and-Cone Bottom Brackets One-Piece Cranks Side 1 Application Fixed Cups with 36mm Wrench Flats 3-Notch Lockrings with 44-46mm Outer Diameter Adjustable Cups with 16mm Wrench Flats Adjusting Cones with 2 Notches Side 2 Adjustable Cups with Pin Holes Most Lockrings with 43-46mm Outer Diameter Adjustable Cups with Recessed Slots Fixed Cones with Three Notches TRUSTED SINCE 1963 Since our origins in the back of a bike shop in 1963, it has been our sole mission to design and manufacture high-quality tools that empower mechanics and riders of all skill levels to service their bicycles. Each one of our 500+ tools is a product of our decades of experience and expertise in the industry, in the shop and on the trail.

Double sided bottom bracket lockring hook spanner

One side is a single hook, the other is a hook spanner with 3 notches for better engagement in the lockrings

The three-hook end will fit 3-notch lockrings with a maximum outside diameter of 46mm, and minor diameter (in the notches) of 40mm

NOTE The HCW-5 is designed for bottom bracket lockrings. For fixed gear lockring, use the HCW-17